Rare Rough Tourmaline Mineral Specimen
Updated August 27, 2026
| Lot number | 0028 |
| Estimate | $2,880 - $3,600 |
| Opening bid | $240 |
| Auction | Precious Gemstones & Luxury Fine Jewelry |
| Date | September 12, 2026 at 1:00 PM EDT |
| Auction house | Ryan & Co Jewelers |
| Location | Rockville, Maryland |
A raw, natural 1.06ct tourmaline crystal fragment showcasing distinct pleochroism and natural structural faces. Raw fragments showing such distinct pleochroism are rare study pieces. Personally
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